Base | Representation |
---|---|
bin | 101111001000010010… |
… | …1111100000000010100 |
3 | 100200020111200101212102 |
4 | 1132100211330000110 |
5 | 3124234242041040 |
6 | 114254551541232 |
7 | 10212036520613 |
oct | 1362045740024 |
9 | 320214611772 |
10 | 101210112020 |
11 | 39a17519186 |
12 | 1774708a818 |
13 | 970c434764 |
14 | 4c81a6387a |
15 | 29755c1515 |
hex | 179097c014 |
101210112020 has 48 divisors (see below), whose sum is σ = 215616824640. Its totient is φ = 39900554496.
The previous prime is 101210111957. The next prime is 101210112023. The reversal of 101210112020 is 20211012101.
It is a super-3 number, since 3×1012101120203 (a number of 34 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 101210111992 and 101210112010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101210112023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622784 + ... + 768296.
It is an arithmetic number, because the mean of its divisors is an integer number (4492017180).
Almost surely, 2101210112020 is an apocalyptic number.
101210112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
101210112020 is an abundant number, since it is smaller than the sum of its proper divisors (114406712620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101210112020 is a wasteful number, since it uses less digits than its factorization.
101210112020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146024 (or 146022 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 101210112020 its reverse (20211012101), we get a palindrome (121421124121).
The spelling of 101210112020 in words is "one hundred one billion, two hundred ten million, one hundred twelve thousand, twenty".
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